Default Anim Own By Dragonghost88 ( Nico Nii Dance ) , Boblester199 ( Gangnam Style ) , ??? ( Break Dance )
Im just fix it a little and make it More Suitable on gta sa series 32 Bit
For who Want Insert/Change The anim inside . just Put your Anim data like This File Exactly , And remember change the "ifp" 
Anim with Name ,

Note : Its Not easy as like change the skin , You need Gta Animation Manager or any similiar tool

Opcode as Like this ( Default Sanny Builder SASCM.ini ) :

0605: actor -1 perform_animation "Ctrl_Anim1" IFP "Ctrl9x" framedelta 2.0 loop -1 lockX 0 lockY 0 lockF 0 time -1

Dont understand ? Want More Information About anim add-on , Look at Controller Add-on Guide.txt ( Gta Anim manager ) in 
Alvian9xpro Folder 